# Statistics homework help

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Statistics homework help for students across the grades

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Consider a normal distribution with mean 33 and standard deviation 9. What is the probability a value selected at random from this distribution is greater than 33? (Round your answer to two decimal places.) Statistics homework help

A die is loaded in such a way that an even number is twice as likely to occur as an odd number.E is the event that a number is less than 4 occurs on a single toss of the die, Find P(E) Statistics homework help

Question: For a group of 50 girls the mean and standard deviation of scores on a test are 59.5 and 8.38, while for a group of 40 boys the same measures are 5...

Question:(i) For what value of a, f(x)= ax, x=1,2,….,20 will be probability mass function of a random variable X?(ii)Find the expectation of X. Visit http://...

Question: 10 hand-writings were ranked by two judges in a competition. The rankings are given below. Calculate Spearman’s rank coefficient to measure the clo...

There are 12 face cards in a standard deck of 52 cards. How many ways can you arrange a standard deck of 52 cards such that the first card is a face card?

Using a non-symmetrical sample size = 15, the mean time in a women's 400 meter dash is 57.07 seconds, with a standard deviation of 1.05. Determine the percentage of the 400 meter dash times that lies between 55.495 and 58.645 and use the answer to determine how many women ran these times.

Visit http://tutorteddy.com/site/free_statistics_help.php for free math help . Question: A single card is drawn from a deck of 52 cards. Find the probability...

Visit http://tutorteddy.com/site/free_statistics_help.php for free math help . Question: A single card is drawn from a deck of 52 cards. Find the probability...

Visit http://tutorteddy.com/site/free_statistics_help.php for free math help . Question:Consider a normal distribution with mean 33 and standard deviation 9....

Visit http://tutorteddy.com/site/free_statistics_help.php for free math help . Question: Calculate: (i) Crude Death Rate(CDR) and (ii) Age-Specific Death rat...

A tire company has developed a new type of steel-belted radial tire. Extensive testing indicates the population of mileages obtained by all tires of this new type is normally distributed with a mean of 40,000 miles and a standard deviation of 4,000 miles. The company wishes to OFFER a guarantee providing a discount on a ... Statistics homework help

Question: If you flip a quarter 10 times. What is the probability you will get heads all 10 times. I More need to get how to find the answer than the actual answer. Statistics homework help